I tried to do ABX test with very subtle changes today with foobar2000 by adding subtle effects I can normally notice in DSP. I think the result is interesting so I decided to share it here. After starting ABX for a while, I started to build up stress and fatigue. At some point, I started to...

What should I believe in now?

I'd like to share simple tips to improve micro SD for better sound quality, more reliable performance and save your DAP and micro SD's lifespan. Sounds too good to be true? Let's find out. :) 1. Format micro SD with exFAT filesystem with 128kb cluster size 2. Copy your music to micro SD card...

Warning: This is purely subjective listening tests. Please keep in mind this is personal opinion and speculations. I’ve been eagerly to test this for a long while but I have been so busy lately with lots of things to do now. Today I finished some works and have some free time to do some small...

When I had family gathering last week, I drank the Chardonnay white wine I bought I found it's terrible to my taste (I like Chardonnay but that one was too bad to bear). At that moment, I recalled the situation when I had a dinner with my friend and he left drink the red wine he ordered after...

Yesterday I borrowed Fiio X5iii from my friend's shop to test. It sounded so freaking to the point whether it needs ROM modification as many spoke of. After flashing 1.1.4 OTA. I immediately realized how worse sound quality is. I'm not surprised why many people went back to older 1.1.1 ROM...

Someone posted about their measurements result on my prank.....I mean my experiment I shared again recently. Here's what he said.   He said he actually measured the signal and found extra microwave RF smearing the analog sections of the dac. What do you guys think about this?

How do Head-Fiers classify the term inaudible level in sound listening scientifically? What kind of parameters and threshold do they use for? I looked into glossary but there's no clear classification about inaudible terms despite being used widely through this forum.

Which one is your preference and why? I prefer slow roll off with linear phase because I prefer having better impulse response with good coherent sound.

After Paul providing ROM Image and Factory Tool making after-market ROM cooking become possible, I'm indulging myself into DX200 ROM cooking right now. Here's public release containing the following changes as below: -Based on firmware version 2.3.125 -Play Store added -Tweaked power.rk3368.so...

I'm searching for objectivist audiophile using highend stereo systems. By my definition of highend stereo systems, I mean something at least $10k+ components and $20k+ speakers. I'd like to see how they address highend stuff objectively or they're all just marketing luring people with big bucks...

Lately sound science is circulating around rmaa and classical analog metrics with measurement methodlogy from past decades. It's becoming harder to discover noticeable measurements in digital audio domain. Today, I'd like to introduce Diffmaker software. It can detect changes in audio signal...

In some posts before, there's a guy stating he couldn't hear difference between CD and SACD, leading to discussion whether SACD will really give any measurable benefits comparing to CD. Today I'd like to present the paper that was published last few years ago about benefits of DSD below.  ...

Yesterday I had lunch with Mr. Mark Levison. Now he found his forth company after Mark Levison, Cello, and Red Rose Music. What piqued my interest is his A+ algorithm in Master Class software. It seems to be remastering tool using applied technology from Cello Audio Palette. You can read more...

It costs a fortune for better sound quality. Everything costs a lot and there's no clear scientific evidence that can prove for better sound. Yet a few wealthy audiophiles are willing to purchase them and appreciate them.

I read archimago's measurements about Rasberry Pi 3 today here.   http://archimago.blogspot.ca/2017/01/measurements-raspberry-pi-3-as-usb.html   I'm surprised about his later paragraphs about CRAAP config. He said optimizing OS with CRAAP config like get better sound like this.   Lower...

I found testing paper about measuring changes with power cord here.   http://www.johnvestman.com/VDCableNoiseSlewRevised2007.pdf   Here's front page about this test.     Please read and let us know what you guys think about this test.

I tried searching in Google but couldn't find any post showing measurements between these outputs.   Do graphs show any difference among them?   Do they all sound the same to your ears?   Which one is your preference?

always try to raise disagreement without effort to make tangible proof to disagree. Some people can make excuse all days long without giving anything a try so they can say "I tried it and it doesn't work the way you described.". I believe true objectivists are people who are willing to meet face...

I discovered that some audiophiles can't identify whether system has inverted phase configuration or not. I wonder if there's anyone holding DBT event about phase inversion before. I tried searching in Google found no result.

I know this sounds a bit hard to believe but it’s true since it was done without pretense to get better sound. Well, some people who use Rewrite Data maybe familiar with this concept already. We did some ripping experiments and my friend who owned AK380 tested the song from micro sd to compare...

It’s been a challenge to measure digital audio’s qualities and most of the time audiophiles don’t know any measurement outside RMAA’s analog metrics and got failed evaluations as you can see below:     This was done through pure software environment using VB-Audio Virtual Cable to make...

I think this kind of thing happen to every audiophile. There must be a thing or two that you can't perceive the improvement or even difference with some changes. But one day you can notice the changes. How can we explain this in scientific terms?

Thinking logically, internal USB interface should have lesser chain of connection, shorter I2S connection to DAC without encapsulation on AES/SPDIF and stuff. My friend conduct some listening tests with Eximus DP1 and Stello U3. We found that using Stello U3 as external interface to AES/Coaxial...

How his recently purchases of equipment and accessories are scammed and doesn't really work well for the better. Like this equipment is scammed for overpriced product, this ones causes problems in your system more than it solves, you perceived placebo effect that isn't really there, etc.   I'm...